MATHEMATICS HIGH SCHOOL

I really need help ! Machine A can fill a bucket from a pipe in 4 minutes. However, Machine B can empty the bucket in 6 minutes. Starting from empty, if the Machines are going at the same time, how long will it take to fill the tank?

Answers

Answer 1
Answer:

Answer:

5/12

Step-by-step explanation:

1/4 + 1/6 =

3/12 + 2/12 =

5/12

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What is differentiation?

Answers

Differentiation is a process applied to a function which finds the function's rate of change compared to the rate of change of the independent variable.The result of differentiating a function is called the derivative of the function. It gives the slope of the function's graph at every point.

Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table. Sorry can't show the twoway table but here is the numbers for it. Visited the zoo and the museum 9, did not visit the zoo but visited the museum is 5, didn't visit the museum but visited the zoo is 14 and Didn't visit the zoo nor Didn't visited the museum is 2. Write the probability as a percent. round to the nearest tenth if needed.   ____________% the numbers are from a two way table chart.

Answers

Thanks for sitting tight. Answers in attachment below.

*Percentages are close approximations to the probabilities. Ideally, the fractions should be used.

Lines l and m are intersected by transversal t and l || m. Select all of the angles that are congruent to 25​

Answers

Answer:

A. <1

D. <4

F. <8

Step-by-step explanation:

Given that lines l and m that are crossed by transversal t, the following angles are congruent to <5:

<8 = <5 (vertical angles)

<1 = <5 (corresponding angles)

<4 = <5 (alternate interior angles)

Therefore, the angles that are congruent to <5 are labelled <8, <1, and <4.

Final answer:

The angles congruent to a given angle in a set of parallel lines intersected by a transversal are the corresponding angle, the alternate interior angle, and the alternate exterior angle on the other side of the transversal.

Explanation:

In geometry, when two lines are parallel (l || m) and intersected by a transversal (t), the angles that are formed have certain relationships. Here, if one angle measures 25 degrees, then the angles congruent (equal in measure) to this angle are: the corresponding angle on the other side of the transversal, the alternate interior angle on the other side of the transversal, and the alternate exterior angle on the other side of the transversal. This is because parallel lines cut by a transversal create corresponding angles, alternate interior angles, and alternate exterior angles that are all congruent.

Learn more about Parallel Lines

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The area of a rectangle is represented by 5x^2+19x+12. What is the length?

Answers

5x^2+19x+12=5x^2+15x+4x+12=5x(x+3)+4(x+3)\n\n=(x+3)(5x+4)\n\nAnswer:x+3\ *\ 5x+4

3.) What are the solutions to x^2 + 8x + 7 = 0?x = –8 and x = –7

x = –7 and x = –1

x = 1 and x = 7

x = 7 and x = 8

Answers

check if x = -8 is the solution
1. substitute number -8 for x in the equation
(-8)^2 + 8*(-8) + 7 = 0
2. do calculations on the left size
64 -64 + 7 = 0
7 = 0
3. equality means x is the solution, inequality means it is not
-8 is not the solution to x^2 + 8x + 7 = 0

check other given numbers the same way
x=-7
(-7)^2 + 8*(-7) + 7 = 0
0=0
-7 is the solution

x=-1
(-1)^2 + 8*(-1) + 7 = 0
0=0
-1 is the solution


x=1
(1)^2 + 8*(1) + 7 = 0
16=0
1 is not the solution

x=7
(7)^2 + 8*(7) + 7 = 0
113=0
7 is not the solution


x=8
(8)^2 + 8*(8) + 7 = 0
135=0
8 is not the solution

answer:
The solutions to given equation are -7 and -1.
The answer to this question is
-7+-1=-8
-1+-7=8
1+7=8

What is –4 • 6 • (–9)? A.
–216

B.
216

C.
–90

D.
90

Answers

it's 216 because you would just do the equation from left to right since pemdas doesn't really effect the order here
Hi there! -4*6=-24. Now, we have (-24)(-9), (-24)(-9)=216. Therefore, your answer is B. 216
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